203418905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{19759}}^1$

素因数の和:19864

約数の個数: 16

約数和(自身を含む): 256089600

約数和(自身を除く): 52670695

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 19759, 98795, 573011, 1402889, 2865055, 7014445, 40683781, 203418905]

約数ペア:

[(1, 203418905), (5, 40683781), (29, 7014445), (71, 2865055), (145, 1402889), (355, 573011), (2059, 98795), (10295, 19759)]